Hi there its my first experience with a bitches seasons and i'd like to know what to look out for, my tess who is a border terrier is nearly 7 mths so is due anytime soon.  I take her training so i dont want to take her when she is in season by mistake as i know sometimes its not obvious.  Could some of you lady and gents give me your experience on this.  Also can you tell me what sort of personality change to expect as she has already started pulling on the lead and general hunting instinct is kicking into overdrive.  Is that a sign?

http://i6.photobucket.com/albums/y248/ANXIES/seriousposer.jpg

You should notice the vulva become swollen and she may begin to lick/clean herself in this area more than usual- plus if there are any male dogs in the family they will begin to pay her more attention. She may also urinate more. Some dogs go off their food a little, some will become a little clingy etc but to be truthful I have heard they all differ just like people do

A very good book to read is *Book of the Bitch* by Evans & White

Hope that helps anyway :)